Home / 3,048.20-4,208.46-2,490.02

Finding the Fourth Proportional to 3,048.20, 4,208.46 and 2,490.02

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Solution

The fourth proportional to 3,048.20, 4,208.46 and 2,490.02 is: 3,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.20 : 4,208.46 = 2,490.02 : x
  2. Step 2: Convert to fraction form
    3,048.20/4,208.46 = 2,490.02/x
  3. Step 3: Cross multiply
    3,048.20x = 4,208.46 × 2,490.02
  4. Step 4: Simplify right side
    3,048.20x = 10,479,149.57
  5. Step 5: Solve for x
    x = 10,479,149.57/3,048.20
  6. Step 6: Final answer
    x = 3,437.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.